\contentsline {section}{\numberline {1}项目简介}{3}{section.1}%
\contentsline {section}{\numberline {2}需求分析}{3}{section.2}%
\contentsline {subsection}{\numberline {2.1}技术需求}{3}{subsection.2.1}%
\contentsline {subsection}{\numberline {2.2}功能需求}{3}{subsection.2.2}%
\contentsline {section}{\numberline {3}总体设计}{3}{section.3}%
\contentsline {section}{\numberline {4}软件设计}{4}{section.4}%
\contentsline {subsection}{\numberline {4.1}QPSK介绍}{4}{subsection.4.1}%
\contentsline {subsubsection}{\numberline {4.1.1}基带信号传输}{4}{subsubsection.4.1.1}%
\contentsline {subsubsection}{\numberline {4.1.2}带通信号传输与调制}{5}{subsubsection.4.1.2}%
\contentsline {subsubsection}{\numberline {4.1.3}QPSK正交调制}{5}{subsubsection.4.1.3}%
\contentsline {subsection}{\numberline {4.2}成型滤波}{7}{subsection.4.2}%
\contentsline {subsection}{\numberline {4.3}上采样}{11}{subsection.4.3}%
\contentsline {subsubsection}{\numberline {4.3.1}为什么需要上采样}{11}{subsubsection.4.3.1}%
\contentsline {subsubsection}{\numberline {4.3.2}上采样实现——以Farrow内插器为例}{11}{subsubsection.4.3.2}%
\contentsline {subsection}{\numberline {4.4}信道传输}{14}{subsection.4.4}%
\contentsline {subsubsection}{\numberline {4.4.1}AWGN信道}{14}{subsubsection.4.4.1}%
\contentsline {subsubsection}{\numberline {4.4.2}多径信道RayleighChannel}{14}{subsubsection.4.4.2}%
\contentsline {subsection}{\numberline {4.5}下采样以及匹配滤波}{15}{subsection.4.5}%
\contentsline {subsection}{\numberline {4.6}AGC自动增益控制}{16}{subsection.4.6}%
\contentsline {subsection}{\numberline {4.7}相干解调}{16}{subsection.4.7}%
\contentsline {subsubsection}{\numberline {4.7.1}Costas环载波同步}{17}{subsubsection.4.7.1}%
\contentsline {subsubsection}{\numberline {4.7.2}Gardner环位同步}{21}{subsubsection.4.7.2}%
\contentsline {subsection}{\numberline {4.8}均衡}{25}{subsection.4.8}%
\contentsline {subsubsection}{\numberline {4.8.1}基于导频训练的CLMS均衡}{26}{subsubsection.4.8.1}%
\contentsline {subsubsection}{\numberline {4.8.2}CMA盲均衡}{28}{subsubsection.4.8.2}%
\contentsline {subsubsection}{\numberline {4.8.3}均衡结果}{29}{subsubsection.4.8.3}%
\contentsline {section}{\numberline {5}硬件设计}{29}{section.5}%
\contentsline {subsection}{\numberline {5.1}QPSK映射}{29}{subsection.5.1}%
\contentsline {subsection}{\numberline {5.2}升余弦成型滤波器}{30}{subsection.5.2}%
\contentsline {subsection}{\numberline {5.3}上采样}{31}{subsection.5.3}%
\contentsline {section}{\numberline {6}仿真及实验结果}{32}{section.6}%
\contentsline {section}{\numberline {7}总结}{32}{section.7}%
\contentsline {section}{\numberline {8}问题汇总}{32}{section.8}%
